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Dryobalanops oblongifolia
| Family Name: | Dipterocarpaceae |
| Common Name: | Kapur Kuras, Keladan, Kuras |
Name
Classifications and Characteristics
| Plant Growth Form | Tree |
|---|---|
| Mode of Nutrition | Autotrophic |
Biogeography
| Native Distribution | Sumatra, Borneo, Peninsular Malaysia |
|---|---|
| Native Habitat | Terrestrial |
| Preferred Climate Zone | Tropical |
Description and Ethnobotany
| Growth Form | Large tree with buttresses, able to grow up to about 60 m tall in its natural habitat. |
|---|---|
| Trunk | Girth size can reach up to 1.5 m wide, bark is dark yellowish-brown and flaky. |
| Foliage | Green narrowly oblong leaves, alternate arrangement, measuring about 6 - 20 cm long and 4.5 - 5 cm wide, acumen about 1.5 cm long, petiole about 5 - 14 mm long. |
| Flowers | Flowers usually 6 borne on axillary and terminal panicle inflorescence up to 14 cm long, petals white and glabrous, yellow anthers present, stamens 40, unequal and reaching to below the style apex. |
| Fruit | Fruit is a winged nut, surface lenticellate. |
| Habitat | Endemic to Borneo, can be found in mixed dipterocarp forest. |
| Etymology | Genus Dryobalanops is from Greek words "dryobalanos which means "acorn" and "ops" which means "like" and they refer to the acorn-shaped fruits. Species oblongifolius means oblong-shaped leaf. |
| Ethnobotanical Uses | Food (Fruit or Vegetable) Timber & Products: Wood is used for construction of wharves and boats. |
Landscaping Features
| Desirable Plant Features | Ornamental Flowers, Ornamental Fruits |
|---|---|
| Landscape Uses | Parks & Gardens |
Fauna, Pollination and Dispersal
| Seed or Spore Dispersal | Abiotic |
|---|
Plant Care and Propagation
| Light Preference | Full Sun |
|---|---|
| Water Preference | Moderate Water |
| Plant Growth Rate | Moderate |
| Rootzone Tolerance | Moist Soils, Well-Drained Soils |
| Propagation Method | Seed |
Foliar
| Mature Foliage Colour(s) | Green |
|---|---|
| Foliar Arrangement Along Stem | Alternate |
| Foliar Attachment to Stem | Petiolate |
| Leaf Area Index (LAI) for Green Plot Ratio | 4.0 (Tree - Dense Canopy) |
Floral (Angiosperm)
| Flower Colour(s) | White |
|---|---|
| Flower Grouping | Cluster / Inflorescence |
Image Repository
Others
| Master ID | 1570 |
|---|---|
| Species ID | 2863 |
| Flora Disclaimer | The information in this website has been compiled from reliable sources, such as reference works on medicinal plants. It is not a substitute for medical advice or treatment and NParks does not purport to provide any medical advice. Readers should always consult his/her physician before using or consuming a plant for medicinal purposes. |
